Solar flares on September 13, 2023
The most powerful solar flare in 24 hours
C5.5 (normal) flare - September 13 at 9:10 AM
Solar activity index
Value as of the end of the day on September 13, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 12, 2023 to September 13, 2023
Time zone — UTC+01 (London) — summer time
List of solar flares for September 13, 2023
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 18:55 | 19:04 | 19:10 | 3423 |
| C1.2 | 17:36 | 17:41 | 17:45 | 3423 |
| C1.8 | 16:08 | 16:17 | 16:21 | 3429 |
| C1.9 | 15:55 | 16:02 | 16:08 | 3429 |
| C5.5 | 09:04 | 09:10 | 09:17 | 3423 |